The performance of various SAE 15W-40 and SAE 30. API CD/SF and API CE/SG oils was compared in on-highway vehicles with different diesel engines. The API CE/SG oils provided superior oil consumption control, better engine cleanliness, and less engine wear than the API CD/SF oils. Among API CE oils, a 1% sulfated ash formulation provided improved oil consumption and carbon deposit control compared to a 1.3% ash oil. One vehicle was extended to slightly beyond 1,000,000 miles, demonstrating that high quality, properly formulated API CE/SG oils can extend the useful life of an engine to overhaul.
Lubricant Performance in Extended Diesel Engine Field Tests
Sae Technical Papers
1989 SAE International Fall Fuels and Lubricants Meeting and Exhibition ; 1989
1989-09-01
Conference paper
English
Lubricant performance in extended diesel engine field tests
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